Advertisements
Advertisements
प्रश्न
The density of alcohol is 600 kg m-3. Express it in g Cm-3.
Advertisements
उत्तर १
Density of alcohol is = 600 kg/m-3
In g/`cm^3` = `600/1000` = 0.60 g/`cm^3`
उत्तर २
- 1 kg = 1000 g
- 1 m3 = 1,000,000 cm3
Thus, 1 kg/m3 = `(1000 g)/(1000000 cm^3`
= 0.001 g/cm3
Convert 600 kg/m3:
600 kg/m3 = 600 × 0.001 g/cm3 = 0.6g/cm3
The density of alcohol is 0.6 g/cm3.
APPEARS IN
संबंधित प्रश्न
Density of water is .......Kg m-3.
1 g cm-3 = ......... Kg m-3.
Match the following :
| Column A | Column B | ||
| (a) | kg `m^-3` | (i) | relative density |
| (b) | no unit | (ii) | sinks in alcohol |
| (c) | relative density | (iii) | floats on water |
| (d) | iron | (iv) | density |
| (e) | wood | (v) | density bottle |
Describe an experiment to determine the density of a liquid.
Icebergs floating on sea water are dangerous for ships. Explain the reason.
Explain why it is easier to lift a stone under water than in air.
What is a submarine? How can it be made to dive in water and come to the surface of water?
The density of aluminium is 2.7 g cm3. Express it in kg m−3.
A piece of zinc of mass 438.6 g has a volume of 86 cm3. Calculate the density of zinc.
The mass of an empty density bottle is 21.8 g when filled completely with water is 41.8 g and when filled completely with liquid it is 40.6 g. Find
- the volume of density bottle.
- the relative density of liquid.
